ABB AI820 analog input module

ABB AI820 analog input module

Basic characteristic
Number of channels: With 8 analog input channels, 8 analog signals can be collected at the same time.
Signal type: Support a variety of analog signal input, including 4-20mA current signal and 0-10V voltage signal, can adapt to different types of sensors and transmitters output signals.
Technical parameter
Resolution: Usually 16 bits, can provide high measurement accuracy, can accurately convert analog signals into digital quantities, so that the control system for processing and analysis.
Accuracy: High accuracy, generally within ±0.1% FS (full scale), to ensure that the collected data is accurate and reliable.
Sampling frequency: The sampling frequency can be configured according to the actual application requirements, and generally can meet the real-time requirements of most industrial sites.
Input impedance: For current inputs, the input impedance is usually 250Ω; For voltage inputs, the input impedance is higher, generally greater than 10MΩ, to reduce the impact on the input signal.
Isolation characteristics: There is usually an electrical isolation function between the channel and the channel and the system, and the isolation voltage is generally 2500V AC, which can effectively prevent the propagation of interference signals and improve the stability and reliability of the system.

Functional characteristics
Diagnosis function: With rich diagnostic functions, it can monitor the status of the input signal in real time, such as signal loss, overrange, short circuit, etc., and can send diagnostic information to the control system, which is convenient for maintenance personnel to discover and solve problems in time.
Configuration flexibility: The parameters of the module can be flexibly configured through the software, such as selecting the input signal type, range range, filtering parameters, etc., to adapt to different application scenarios and control requirements.
Redundancy: In some critical applications, the AI820 module may support redundancy, that is, two modules collect the same signal at the same time, when one module fails, the other module can continue to work, ensuring uninterrupted system operation.
Physical characteristics
Size: The size of the module is usually small, easy to install in the control cabinet, the general width is 40-50mm, the height is 100-120mm, the depth is about 100-150mm.
Weight: Light weight, about 0.2-0.5kg, easy to install and handle.
Environmental adaptability: It can work in a wide temperature range, generally -20 ° C to + 60 ° C, and has good vibration and impact resistance, which can adapt to harsh industrial environments.

AI820 analog input module with its high reliability, high precision and flexible configuration function, widely used in electric power, chemical industry, metallurgy, pharmaceutical and other industrial fields, to provide accurate analog input data for industrial automation control system.